Agent Name |
Copper I potassium cyanide |
CAS Number |
13682-73-0 |
Formula |
C2-Cu-N2.K |
Major Category |
Metals |
Synonyms |
Cuprous potassium cyanide; Potassium copper(I) cyanide; Potassium dicyanocuprate(1-); [ChemIDplus] UN1679; Potassium cuprocyanide; [MSDSonline] |
Category |
Metals, Inorganic Compounds |
Description |
White solid; Contains at least 26% copper and 1-3% free KCN; [Hawley] Reddish, lustrous solid, inslouble in water; [MSDSonline] |
Sources/Uses |
Used in cyanide copper plating baths; [Hawley] Used in electroplating of copper and brass; [Merck Index] |
Comments |
A skin, eye, and mucous membrane irritant; Toxic by inhalation, ingestion, and skin or eye contact; [CAMEO] Acute copper poisoning after ingestion can cause liver injury, methemoglobinemia, and hemolytic anemia. Acute renal failure may result, secondary to massive hemoglobinuria. [Goldfrank, p. 1297-1302] See "Copper" and "CYANIDES." |
Exposure Assessment |
PEL (OSHA) |
5 mg/m3, as CN |
MAK |
2 mg/m3, inhalable fraction, as CN (0.1 mg/m3, inhalable fraction-Cu compds.) |
IDLH (NIOSH) |
25 mg/m3, as CN |
Explanatory Notes |
mp = 1083 deg C; NFPA flammability code = 1 [MSDSonline] |
Flammability (NFPA) |
1: must be preheated |
Adverse Effects |
Methemoglobinemia |
Methemoglobinemia, Secondary |
Anemia |
Anemia, Hemolytic |
Hepatotoxin |
Hepatotoxin, Secondary |
Nephrotoxin |
Yes |
Other Poison |
Chemical Asphyxiant |
Links to Other NLM Databases |
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